| Hans Buchner | |
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Hans Ernst August Buchner
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| Born | 16 December 1850 Munich, Germany |
| Died | 5 April 1902 |
| Nationality | Germany |
| Institutions | Munich University |
| Alma mater | University of Leipzig |
| Known for | Discovering complement Work on Gamma globulin Study of Anaerobic organisms |
Hans Ernst August Buchner (December 16, 1850 – April 5, 1902) was a German bacteriologist who was born and raised in Munich. He studied medicine in Munich and Leipzig, earning his MD from the University of Leipzig in 1874. and afterwards served as a physician in the Bavarian Army. In 1880 be became a lecturer at the University of Munich, where he worked under Max von Pettenkofer (1818–1901) and was an associate to Max von Gruber (1853–1927). In Munich he was also director of the institute of hygiene. He was the older brother of Eduard Buchner (1860–1917), winner of the 1907 Nobel Prize in Chemistry.
Hans Buchner was a pioneer in the field of immunology, and known for his extensive research involving anaerobic bacteria.[1] He was the first to discover a substance in blood serum that was capable of destroying bacteria. He called the substance alexin, which was later named "complement" by Paul Ehrlich (1854–1915). With his brother Eduard, he was co-discoverer of the yeast enzyme zymase.